Re: [ns] NS-Users Q-process Guideline

Dear Mariam, Thanks a lot for the conclusion. It looks good to me. But we still have one problem. Where are we going to put this guideline? I mean, most of the new comers would come directly to this page, not reading this guideline. We need a place where we can point them to read this guidelin

Re: [ns] NS-Users Q-process Guideline

Dear Tom, Thanks for your comments. It is quite hard to find a moderator, indeed. It would be hard to do so. I'm not quite sure how to fix the problem, except for putting [NS-ANS] tag on the subject. A lot of mail clients can do the filter and shows on the answer. In fact, what I have done s

[ns] [NS-ANS] Re: NAM : NO DISPLAY NAME AND NO $DISPLAY ENVIRONMENT VARIABLE

Hi, You have to install NAM (Network Animator). To test whether, NAM was installed correctly. Please try to type nam at the command prompt. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear

[ns] [NS-ANS] Re: new object in ns2

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 I hope this will help. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com

[ns] [NS-ANS] Re: [NS-ANS] counting control packet in trace file

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

[ns] [ns-ans] Re: error statement

Try to change "$ns runs" to "$ns run" Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t-issariyakul.blogspot.com http://www.ece.ubc.ca/~teerawat On Sep 29, 2011, at 4:19 AM, ma

[ns] [NS2-ANS]Re: segmentation fault

Hi, Segmentation fault is usually due to memory access violation. A common example is as follows. int x[10]; x[20] = 0; where you create an array x with 10 slots, but try to access 20th slot of x. Another cause is the misconfiguration. You might send packets to a object which does not exist.

[ns] [NS-ANS]Re: sending frames in NS2

Hi, If you’d like to learn about how NS2 creates, forwards, and destroys packets, please read the following post: http://www.ns2ultimate.com/post/9620995373/packet-forwarding-mechanism-in-ns2-main-post Best Wishes Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/

[ns] [NS-ANS]Re: integration of program written in c++

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 I hope this will help. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com

[ns] [NS-ANS] Re: integrate my standalone application written in C++

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 I hope this will help. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com

[ns] [NS-ANS] Re: Q configuration of ns-2 after changing protocol source code

Hi, If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 You also need to learn about how C++ and OTcl are bound. Please read the series of blog posts indicated below: http://www.ns2ultimate.com/post/648508440/c-

Re: [ns] setdest command under ubuntu

Hi Javier, The utility setdest is located in the directory ns-2.35/indep-utils/cmu-scene-gen and ns-2.35/indep-utils/cmu-scene-gen/setdest. In future opportunities, if you'd like to find a certain file in NS2, you can you "find" utility in Linux. The instruction is provided below: http://www

[ns] [NS-ANS] Re: Setdest (mobility model)

Hi, The utility setdest is a standalone utility. It must be invoked at the command prompt. The utility is located in the directory ns-2.35//indep-utils/cmu-scen-gen/setdest. Go to that directory and execute ./setdest -v 1 -n 50 -p 0 -M 20 -t 900 -x 1500 -y 300 The utility will create Tcl mobi

Re: [ns] how to get the value of a variable present in C++ code to a TCl file.

Hi, You can bind the variables in C++ and OTcl. Please read the following posts: http://www.ns2ultimate.com/post/774980608/c-and-otcl-linkage-binding-variables Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://t

Re: [ns] warning: no class variable

HI, Check your variable name. It should be var_myAgent, not var_mainAgent. Best Regards, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t-issariyakul.blogspot.com http://www.ece.ubc.ca/~teeraw

Re: [ns] Need awk script of new trace file

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

Re: [ns] Need help Regarding Use of NS2 Graph.

Hi, To process NS2 results, I suggest you to read the following post: http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit. Pleas

Re: [ns] Goodput script

Hi, If you are interested in learning how to compute throughput in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post You may have to apply it to compute TCP goodput. The above posts are based on the normal trace. If you are interes

Re: [ns] Fwd: Implementing Round Robin Scheduler

HI Richard, So, what is the question? Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t-issariyakul.blogspot.com http://www.ece.ubc.ca/~teerawat On Mar 19, 2012, at 11:43 PM, Ric

Re: [ns] Calculate TCP/UDP throughput in mobile/wireless/ad hoc network?

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

Re: [ns] From where Connector::drop_ is initialized .?

Hi Pathik, If you'd like to learn about packet forwarding mechanism in NS2, please read http://www.ns2ultimate.com/post/9620995373/packet-forwarding-mechanism-in-ns2-main-post You will find the answer you need in the final post of this series. Best Wishes, Teerawat Issariyakul http://www.ns2u

Re: [ns] awk script for Tora old trace file

HI, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

Re: [ns] how to use awk script

Hi Robin, Isn't that obvious? It's because your denominator is zero. You can't compute anything with zero denominator. The result would be infinity. Best Regards, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com

[ns] [NS2-ANS]Re: adding components for ns2

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 You might want to check out the reasons behind Tcl error messages from the link below: - General error message interpretation: http://www.ns2ultimate.com/

Re: [ns] Trace file output help for beginner

Hi, Please have a look here. It may help: http://www.ns2ultimate.com/post/2496927327/post-processing-ns2-result-using-ns2-trace-trace Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://w

Re: [ns] Changes made not taking effect after compile

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 I hope this will help. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com

Re: [ns] awk script for end2end delay and throughput

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

Re: [ns] urgent plzzzz

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

Re: [ns] awk script to read flags

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

Re: [ns] awk script to calculate total frames sent ?

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

Re: [ns] Packets in link's Queue

HI, NS2 implements buffering in link, not in node. This is to model the link with large bandwidth-delay product. For example, consider a link with 100 Mbps link and 1 s propagation delay, and packets whose size is 1 Mbits. Then this link can stores upto 100 packets at any instance. Best Rega

Re: [ns] ARQ implementation

Hi, If you'd like to implement ARQ, please read http://www.ns2ultimate.com/post/1539258323/arq-module-program-update Best Wishes Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com http://www.facebook.com/pages/Teerawat-Issari

Re: [ns] Tcl::evalf(const char* fmt, ....) definition

Hi, This blog post might help. http://www.ns2ultimate.com/post/1035505402/c-and-otcl-linkage-eval-invoking-otcl-statements Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com http://www.facebook.com/pages/Teerawat-

Re: [ns] ARQ implementation in ns 2

If you are interested in implementing ARQ in NS2, please read http://www.ns2ultimate.com/post/1539258323/arq-module-program-update Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t

Re: [ns] TCP send and receive?

Hi, I blogged about TCP transmission in a nutshell below: http://www.ns2ultimate.com/post/1255914139/tcp-transmitter-in-a-nutshell This might help you get started. Best Regards, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 ht

Re: [ns] Why do we have this group?

Hi, I answer to people in this group regularly (as much as I can). But usually, I just do it to avoid others who have to receive the answers which are relevant to their interest. There is no guideline on the use of this mailing list. If there is one and it says that most (if not all) answers

Re: [ns] Why do we have this group?

ng all answers so everyone has >> reference >> incase they run into similar issues. I think I saw two more posts sharing >> the >> same "likes". >> >> After all, good luck everyone in your research! >> Ahmad >> >> >> >> >> _

Re: [ns] Why do we have this group?

ent at >>>> some >>>> point. >>>> Anand, you can do what I (and may be many de here), have a special folder >>>> setup >>>> with every email with the Subject "NS2" being forwarded to it so your >>>> general >>&

[ns] [NS-ANS] Re: How do I calculate the node utilization?

Hi Ahmed, In NS2, things happen very briefly in node. If you are working in a wired network, things happens in Simple link. For example, the queue is not associated with nodes (as in the physical world), but with the link. So you can't really find the utilization of the node. But if you are

[ns] [NS-ANS] Re: installation problrm

Hi I did some test on NS2 installation few months ago. Here is the result http://www.ns2ultimate.com/post/439346614/working-combination-ns-2-34-ubuntu-8-04-and-perhaps There is a problem with the current linux-like distribution. Here is the solution http://www.ns2ultimate.com/post/441093095/n

Re: [ns] Error in NS2.28

Hi If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 I hope this will help. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.ece.ubc.ca/~teerawat http://www.t-issariyakul.blogspot.com

[ns] [NS-ANS]Re: installation info

Hi I did some test on NS2 installation few months ago. Here is the result http://www.ns2ultimate.com/post/439346614/working-combination-ns-2-34-ubuntu-8-04-and-perhaps There is a problem with the current linux-like distribution. Here is the solution http://www.ns2ultimate.com/post/441093095/n

[ns] [NS-ANS] Re: Ns-users Digest, Vol 87, Issue 6

Perhaps, one is a regular trace file and another is a nam trace file. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t-issariyakul.blogspot.com http://www.ece.ubc.ca/~teerawat On

[ns] [NS-ANS] Re: awk file to calculate throughput, routing overhead, delay

Hi, If you’d like to learn AWK for NS2 post simulation processing, please read the following series: Example AWK file to compute link throughput is given below: http://www.ns2ultimate.com/post/3442965938/post-processing-ns2-result-using-ns2-trace-ex1-link Best Wishes, Teerawat Issariyakul ht

[ns] [NS-ANS] Re: end to end delay

Hi Subha, If you’d like to learn how to use AWK for NS2 post simulation processing, please read the following series. Example AWK programs are given below: - Link throughput: http://www.ns2ultimate.com/post/3442965938/post-processing-ns2-result-using-ns2-trace-ex1-link - End-to-end throughpu

Re: [ns] Drop packet!!!!!

Hi Mohammed, That's correct. Only the object whose class derives from class Connector can call the function drop(p). However, there are a lot of class like this, e.g., queues, agents. Best Regards, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariy

[ns] [NS ANS] Re: Send and Receive in NS2

Hi Mohammed, I suggest you to read the following blog post to understand how TCP sends packets. http://www.ns2ultimate.com/post/1255914139/tcp-transmitter-in-a-nutshell Best Regards, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861

[ns] [NS-ANS] Re: " Add the GPSR protocol in NS" : Can't declare AGENT/GPSR

Hi, If you would like to add a new module into NS2, please read http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 If you would like to add a new C++ class, please read the series of blog posts indicated below: http://www.ns2ultimate.com/post/648508440/c-and-otcl-lin

[ns] [NS-ANS] Re: AWK script for extracting remaining energy of a node

Hi, I don't have specific answer to your question. But If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://w

Re: [ns] Anyone who can help me with an awk file to view Throughput with Xgraph for smac simulation

Hi Mossy, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it

Re: [ns] Problem installation of NS2.34 in UBUNTU

Hi I did some test on NS2 installation. Here is the result http://www.ns2ultimate.com/post/439346614/working-combination-ns-2-34-ubuntu-8-04-and-perhaps There is a problem with the current linux-like distribution. Here is the solution http://www.ns2ultimate.com/post/441093095/ns-2-35-works-on

[ns] [NS-ANS] Re: Algorithm in NS2

Hi, As a rule of thumbs, most computation should be done in C++ and most configuration should be done in Tcl. If you would like to learn about how C++ and OTcl are bound please read the series of blog posts indicated below: http://www.ns2ultimate.com/post/648508440/c-and-otcl-linkage-why-two-l

[ns] [NS-ANS] Re: help regarding ARQ

HI, If you are interested in implementing ARQ in NS2, please read http://www.ns2ultimate.com/post/1539258323/arq-module-program-update Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://

Re: [ns] Pls its urgent

Hi, You might want to check out the reasons behind Tcl error messages from the link below: - General error message interpretation: http://www.ns2ultimate.com/post/419191200/tcl-error-message-in-ns2 To fix the error, please read the following posts: - Invalid command name: http://www.ns2ulti

Re: [ns] TCL Build Errors

Hi I did some test on NS2 installation. Here is the result http://www.ns2ultimate.com/post/439346614/working-combination-ns-2-34-ubuntu-8-04-and-perhaps There is a problem with the current linux-like distribution. Here is the solution http://www.ns2ultimate.com/post/441093095/ns-2-35-works-on

Re: [ns] error in arq insertion in tcl code

Hi Bibhu, Link-loss model is used in a wired network. In wireless networks, you will have to use other approach (e.g., propagation model) to impose error on the link. Mobile node has different architecture than regular nodes. The ARQ module would still work. But you will have to find another

[ns] [NS-ANS]Re: instant awk script old trace format

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

[ns] [NS-ANS]Re: Scheduler::instance().clock() in ns.2.30

Hi Molly, This C++ statement > Scheduler::instance().clock() returns the simulation time, i..e., the one you see in the trace file. Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http:/

[ns] [NS-ANS] Re: Needed awk script for throughput in wireless scenario

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

Re: [ns] Problem in GPSR implementation

Hi, A lot of people are having the same problem. I am curious why. My guess is just because the GPSR are not incorporated to NS2 properly. These links might help: http://www.ns2ultimate.com/post/454001969/including-new-modules-into-ns-2 http://www.ns2ultimate.com/post/689847378/c-and-otcl-lin

[ns] [NS-ANS]Re: Error in classifier when enforcing the destination of the packets

Hi Mohammed, The "no-slot" error occurs since you did not configure the classifier properly. In particular, you ask NS2 to send a packet to a non-existing object. For more information, please read the following post: http://www.ns2ultimate.com/post/520626807/classifier-no-slot-error Best Wis

Re: [ns] Sending RREQ periodically, any suggestion?

Hi Mohamed, You need to have the list of destination address and you can call the following function for all your destination sendRequest(dst) Do it when the timer expires. Best Wishes Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/3582408

[ns] [NS-ANS] Re: [NS2]What is meaning in Ns-default.tcl (tcl\lib):LL set delay_

Hi Bruce, This statement set the default value of the class variable 'delay_' all 'LL' objects to be 25e-6 s. Best Wishes Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twitter.com/T_Bear http://www.t-issariyakul.blogsp

[ns] [NS-ANS] Re: Please help me with this error

Hi, You might want to check out the reasons behind Tcl error messages from the link below: - General error message interpretation: http://www.ns2ultimate.com/post/419191200/tcl-error-message-in-ns2 To fix the error, please read the following posts: - Invalid command name: http://www.ns2ulti

[ns] [NS-ANS] Re: aw k to calculate throughput

Hi, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it a bit.

Re: [ns] awk fille for calculating pdr, avg end to end delay, and throughput

HI Sumit, If you are interested in learning how tracing works in NS2, please read http://www.ns2ultimate.com/post/3995318343/post-processing-ns2-result-using-ns2-trace-main-post The above posts are based on the normal trace. If you are interested in wireless trace you might have to modify it

Re: [ns] ns-2.34 debugging code

Here is the way you obtain time in C++ and store the current time in a double variable time: Scheduler &s = Scheduler::instance(); double time = s.clock(); Best Wishes, Teerawat Issariyakul http://www.ns2ultimate.com/ http://www.facebook.com/pages/Teerawat-Issariyakul/358240861417 http://twit

Re: [ns] [VIP] Discussion

is just a suggestion! > Thanks all, > Mariam > > On Sat, Aug 13, 2011 at 9:33 AM, Teerawat@UBC wrote: > Hi, > > I think what Mariam means is to post the solved problem. Although, people use > REPLY ALL to post the answer. We don't know whether the answer really sol